Polymorphism of microsatellite loci in cultivars and species of pear (Pyrus L.)

Polymorphism of microsatellite loci in cultivars and species of pear (Pyrus L.) Using five SSR markers, polymorphism of microsatellite loci was examined in 46 cultivars and five species of pear (Pyrus ussuriensis, P. bretscgneideri, P. pyraster, and P. elaegnifolia). Most of the accessions examined showed the presence of unique allele sets. The degree of relationship between Russian and Western European pear cultivar was established. It was demonstrated that P. ussuriensis and its first generation progeny were genetically distant from typical cultivars of P. communis, as well as from the P. communis × P. ussuriensis hybrids of later generations. SSR estimates of the cultivar relatedness were shown to correlate with the corresponding pedigree-based estimates. A number of SSR alleles specific to P. ussuriensis were identified. Based on the analysis of microsatellite loci, the allelic composition was determined for each cultivar examined. These data can serve as a molecular certificate of the cultivar. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Polymorphism of microsatellite loci in cultivars and species of pear (Pyrus L.)

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2011 by Pleiades Publishing, Ltd.
Subject
Biomedicine; Microbial Genetics and Genomics; Animal Genetics and Genomics; Human Genetics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795411040156
Publisher site
See Article on Publisher Site

Abstract

Using five SSR markers, polymorphism of microsatellite loci was examined in 46 cultivars and five species of pear (Pyrus ussuriensis, P. bretscgneideri, P. pyraster, and P. elaegnifolia). Most of the accessions examined showed the presence of unique allele sets. The degree of relationship between Russian and Western European pear cultivar was established. It was demonstrated that P. ussuriensis and its first generation progeny were genetically distant from typical cultivars of P. communis, as well as from the P. communis × P. ussuriensis hybrids of later generations. SSR estimates of the cultivar relatedness were shown to correlate with the corresponding pedigree-based estimates. A number of SSR alleles specific to P. ussuriensis were identified. Based on the analysis of microsatellite loci, the allelic composition was determined for each cultivar examined. These data can serve as a molecular certificate of the cultivar.

Journal

Russian Journal of GeneticsSpringer Journals

Published: May 15, 2011

References

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